KF8F4122 为哈佛结构的精简指令CPU。在这种结构中，程序和数据总线是相互独立的。
指令字节长度为 16 位，大多数指令能在一个机器周期内执行完成。一共有 73 条指令，效率
高，容易进行指令扩展。
芯片内集成了多种外设，包括：
1 个 8 位定时器/计数器 T0
1 个 16 位定时器/计数器 T1
2 个 16 位定时器 T2/T3
1 个 12 位 14 通道 ADC 模块
2 路 8 位 PWM 模块
1 个 CCP(捕捉/比较/PWM5)模块
2 个模拟比较器模块
1 个运算放大器模块
1 个 UART（兼容 LIN）模块
1 个 SSCI(I2C/SPI)模块
一个 2V/3V/4V 可选的参考电压
硬件看门狗（带软件使能）
低电压检测及低电压复位模块等
芯片内集成了 (1024+16)×8 位的用户数据存储器 RAM、16K字节的程序存储器和 128×8
位的 DATA EEPROM。
KF8F4122。(KF8F4122 is a lean instruction CPU for Harvard architecture. In this architecture, the program and data buses are independent of each other.
The length of the instruction byte is 16 bits, and most instructions can be executed within a machine cycle. A total of 73 instructions, efficiency
High, easy to extend instructions.
A variety of peripherals are included in the chip, including:
1 8 bit timers / counters T0
1 16 bit timers / counters T1
2 16 bit timers, T2/T3
1 12 bit, 14 channel ADC modules
2 way 8 bit PWM module
1 CCP (capture / compare /PWM5) modules
2 analog comparator modules
1 operational amplifier modules
1 UART (compatible LIN) modules
1 SSCI (I2C/SPI) modules
An optional voltage reference for the 2V/3V/4V
Hardware watchdog (with software enable)
Low voltage detection and low voltage reset module etc.
The chip is integrated with (1024+16) x 8 bit user data memory, RAM, 16K bytes of program memory, and 128 * 8
Bit DATA EEPROM.
KF8F4122)